#ifndef DLL_FILE
#define DLL_FILE

#include "circle.h"

#define PI 3.1415926

circle::circle()
{
	centre = point(0, 0);
	radius = 0;
}


float circle::get_area()
{
	return PI *radius * radius;
}


float circle::get_girth()
{
	return 2 * PI * radius;
}


void circle::set_centre(const point p)
{
	centre = p;
}


void circle::set_radius(float r)
{
	radius = r;
}

#endif